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Evolution, variabilité et développement de la mandibule chez les hominidés : intérêt d'une approche structurale centrée sur le canal mandibulaire

Abstract : The mandible is composed of distinct units integrated into a single bone around the director axis of the mandibular nerve which osseous artefact is the mandibular canal. Our study of the evolution and development of the mandible in hominids use a method that permits the study of the individual developments in these sub-units, with the mandibular canal as reference system. 453 mandibles of the genera Homo, Pan, Gorilla and some fossil hominid species are studied. Our protocol is based on standardized digital photographs. Its validity is statistically verified. Global variability in hominids, development and interspecific variability are analyzed. Our methodology provides improved perspicacity concerning the phenomena at work during the mandibular development and allows it to be modeled. The evolution of the mandible is not global but follows a ?mosaic? pattern. We differentiate an anterior mandible and a posterior mandible linked by the neural axis. Our work confirms the primordial, central and leading role of the mandibular nerve in mandibular development. The phylogenetic, adaptational, developmental and therapeutic implications are discussed
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https://hal.univ-lorraine.fr/tel-01746380
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  • HAL Id : tel-01746380, version 1

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Rémi Curien. Evolution, variabilité et développement de la mandibule chez les hominidés : intérêt d'une approche structurale centrée sur le canal mandibulaire. Sciences agricoles. Université Henri Poincaré - Nancy 1, 2010. Français. ⟨NNT : 2010NAN10065⟩. ⟨tel-01746380⟩

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